1987.14 5.50 + 12.68ma

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.